Alberta Air Brake (Q) Knowledge Test Practice Questions - Alberta Air Brake (Q Endorsement) Knowledge Test Exam - Variant 2

How do air brakes slow or stop a vehicle, according to Alberta's Air Brake Program overview?

By using only engine oil pressure in the drums By heating the tires until friction stops the vehicle An engine-powered compressor builds air pressure that moves through hoses and valves to apply the brakes By draining all reservoirs before every stop

Correct Answer:

An engine-powered compressor builds air pressure that moves through hoses and valves to apply the brakes

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